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Porsche TSB #No. 19-23
1991 Porsche 944
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
Date Published
SEP 05, 2023
NHTSA TSB #
10243588
TSB Document
MC-10243588-0001.pdf
Summary
Manufacturers certificate for an overview of approved Porsche A40 engine oils.